Most people have encountered an Allen wrench (or Allen key). It’s the L - or S -shaped tool with a six-sided head that can ...

One jaw moves with respect to the other fixed one, which allows you to use the wrench with a variety of fasteners of ...

Sets, such as the Workpro Adjustable Wrench Set, feature multiple crescent wrenches of varying sizes to better accommodate nuts and bolts of different sizes. To use a crescent wrench, you'll first ...